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power pentode GU-50 - (NIB)

Power pentode GU-50 (ГУ-50). This tube is commonly used in Hi-Fi audio amps, both in single-ended and push-pull modes. The GU-50 is a direct replacement of the Telefunken LS50 tube. New old stock tubes in original boxes (please see the gallery). Made in the 80's.

(we reserve the right to change the description and specifications without prior notice)